输电线路特大跨越设计中的关键技术  

Key Techniques in Transmission Line Extra Long-crossing Tower Design

作　　者：朱天浩[1] 徐建国[1] 叶尹[1] 胡吉磊[1] 邢月龙[1] 张浙杭[1] 

机构地区：[1]浙江省电力设计院,杭州市310012

出　　处：《电力建设》2010年第4期25-31,共7页Electric Power Construction

摘　　要：220kV舟山与大陆联网跨越螺头国际航道特大跨越按500kV设计,是目前世界上规模最大的输电线路跨越工程,该工程地理位置特殊,设计条件复杂。着重分析研究了输电线路特大跨越设计中的关键技术问题,包括导线选型、跨越塔设计、铁塔基础设计,并提出了设计采用的具体方案。220 kV Zhoushan extra large crossing over Luotou international channel,which connects the island power grid with the mainland power grid,is designed according to 500 kV,and it＇s the largest transmission crossing span in the world.The project is of very special geographical location,and complex design conditions.The paper analyzes and studies the key technical issues in extra long crossing span design,including the conductor model selection;crossing tower design,tower foundation design,and puts forward a specific design for the project.

关 键 词：大跨越输电线路 导线选型 杆塔计算分析 基础设计 

分 类 号：TM75[电气工程—电力系统及自动化]